Soft contact lenses resistant to opacification in use
UST102101I4 · kind I4 · defensive publication
2Cited by
0References
12Claims
0Family size
Inventors
Key dates
| Filing date | Sep 28, 1981 |
| Grant date | Aug 3, 1982 |
| Priority date | — |
| Expiry date | Sep 28, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.